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Range ExtenderRWDAUTOMATIChybrid
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CC-ID-165low severityBody

Low External Temperature Warning

on 2021 BMW i3 Range Extender · RWD

What this code means

The outside air temperature has fallen to near or below freezing, warning of possible ice. This message is raised by the instrument cluster from the ambient temperature sensor.

Symptoms

  • Low temperature/ice warning displayed
  • Snowflake indicator illuminated
  • Audible chime on threshold

Common causes

  • Genuine low ambient temperature
  • Faulty ambient temperature sensor
  • Sensor exposed to abnormal heat source
  • Wiring fault at temperature sensor

Diagnostic steps

  1. Confirm actual outside temperature
  2. Read ambient sensor value via diagnostics
  3. Inspect sensor location and mounting
  4. Check sensor wiring and connector

Other Body codes on this vehicle

🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years. Spot an error? Use the Help link above — a human reads every report.
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